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Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Frontiers in Energy 2022, Volume 16, Issue 6,   Pages 931-942 doi: 10.1007/s11708-021-0771-y

Abstract: high-energy-site phenomenon and targeted-energy transition mechanism were identified in a particular microwaveirregularly sized SiC particles, producing tremendous heat that was 8-fold the amount generated in the discharge-freeMeanwhile, the dispersed microwave field energy concentrated in small sites, where local temperaturesThe whole process, including microwave energy concentration and intense site-energy release, shapes aIn particular, the discharge intensity, frequency, and high-energy sites were strengthened through the

Keywords: microwave discharge     high-energy sites     targeted-energy transition     morphology design     energy efficiency    

Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 1,   Pages 17-25 doi: 10.1007/s11783-011-0371-x

Abstract: Microwave-hydrothermal treatment of persistent and bioaccumulative perfluorooctanoic acid (PFOA) in waterconcentrations (0.01–0.15 mol·L ), and temperature (60°C, 90°C, and 130°C) on persulfate oxidation of PFOA under microwave

Keywords: microwave     perfluorooctanoic acid     pH     persulfate     chloride ions     perfluorocarboxylic acids    

Study on the microwave-assisted extraction of polyphenols from tea

Liyun WANG, Peiyong QIN, Yan HU,

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 3,   Pages 307-313 doi: 10.1007/s11705-009-0282-6

Abstract: This study demonstrated a promising method for quickly extracting tea polyphenol (TP) by microwave-assistedSome influential parameters, including MAE temperature, microwave power, concentration of extraction60% ethanol (v/v) and the solid/liquid ratio 1:12 g/mL at 80°C for 10 minutes under the microwave

Keywords: energy consumption     microwave-assisted extraction     optimum condition     pre-leaching     concentration    

Characterisation of a microwave induced plasma torch for glass surface modification

Adam BENNETT, Nan YU, Fengzhou FANG, Marco CASTELLI, Guoda CHEN, Alessio BALLERI, Takuya URAYAMA

Frontiers of Mechanical Engineering 2021, Volume 16, Issue 1,   Pages 122-132 doi: 10.1007/s11465-020-0603-5

Abstract: Microwave induced plasma torches find wide applications in material and chemical analysis.Investigation of a coaxial electrode microwave induced plasma (CE–MIP) torch is conducted in this studyMicrowave spectrum analysis is used to create a polar plot of the microwave energy being emitted fromthe coaxial electrode, where the microwave energy couples with the gas to generate the plasma jet.

Keywords: microwave induced plasma     spectrum analysis     surface modification    

Local arc discharge mechanism and requirements of power supply in micro-arc oxidation of magnesium alloy

Ming CHEN, Yuezhou MA, Yuan HAO,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 1,   Pages 98-105 doi: 10.1007/s11465-009-0088-8

Abstract: Based on the experimental results and electric arc theory, the separate local arc discharge mechanismSeparate local arc discharge is caused by the process in which the oxygen-based gas is ionized in theThe local arc discharge model is described as four courses: gas created from electrolysis, arc dischargeThe purpose of pulse supply is to inhibit the large-arc discharge by intervening proper cooling time,Using a discharge loop to remove the influence of load capacitive, a new type of pulse power supply for

Keywords: micro-arc oxidation     local arc discharge     pulse power supply     magnesium alloy    

Degradation of metronidazole by dielectric barrier discharge in an aqueous solution

Zhipeng Yang, Anxing Lai, Hangyu Chen, Youxiang Yan, Ye Yang, Weiwei Zhang, Lei Wang

Frontiers of Environmental Science & Engineering 2019, Volume 13, Issue 3, doi: 10.1007/s11783-019-1117-4

Abstract:

The discharge characteristics during the degradation of MNZ by DBD

Increasing the discharge frequency can promote

Keywords: Dielectric barrier discharge     Antibiotic     Metronidazole     Water treatment    

Soybean drying characteristics in microwave rotary dryer with forced convection

Ruifang WANG, Zhanyong LI, Yanhua LI, Jingsheng YE

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 3,   Pages 289-292 doi: 10.1007/s11705-009-0022-y

Abstract: A new hybrid drying technique by combining microwave and forced convection drying within a rotary drum, i.e., microwave rotary drying, was developed with the purpose to improve the uniformity of microwaveIn a laboratory microwave rotary dryer, rewetted soybean was utilized as experimental material to studythe effects of drum rotating speed, ventilation flow rate, and specific microwave power on the dryingIncreasing ventilation flow rate and specific microwave power can improve the drying rate, but the cracking

Keywords: cracking     microwave     rotary drying     soybean    

Degradation of trace nitrobenzene in water by microwave-enhanced H

Honghu ZENG, Lanjing LU, Meina LIANG, Jie LIU, Yanghong LI

Frontiers of Environmental Science & Engineering 2012, Volume 6, Issue 4,   Pages 477-483 doi: 10.1007/s11783-012-0395-x

Abstract: To evaluate possible use of microwave-enhanced H O -based (MW/H O ) process to degrade trace nitrobenzeneThe results showed that 2450MHz microwave irradiation significantly enhanced oxidative decomposition

Keywords: microwave     hydrogen peroxide     nitrobenzene     humic acid    

Experimental and theoretical study of microwave enhanced catalytic hydrodesulfurization of thiophene

Hui Shang, Pengfei Ye, Yude Yue, Tianye Wang, Wenhui Zhang, Sainab Omar, Jiawei Wang

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 744-758 doi: 10.1007/s11705-019-1839-7

Abstract: gasoline model oil, over an industrial Ni-Mo/Al O catalyst was investigated in a continuous system under microwaveThe HDS efficiency was much higher (5%‒14%) under microwave irradiation than conventional heating.It was proved that the reaction was enhanced by both microwave thermal and non-thermal effects.Microwave selective heating caused hot spots inside the catalyst, thus improved the reaction rate.the analysis of the non-thermal effect, the molecular collisions were significantly increased under microwave

Keywords: thiophene     microwave irradiation     hydrodesulfurization     non-thermal microwave effect    

NO conversion by positive streamer discharge—effects of gas compositions and reaction conditions

HE Wei, ZHU Tianle, LI Jing

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 2,   Pages 153-158 doi: 10.1007/s11783-007-0027-z

Abstract: The effects of gas compositions and reaction conditions on NO conversion by positive streamer discharge

Keywords: conversion     streamer discharge     wheel-cylinder     positive streamer    

Zero increase in peak discharge for sustainable development

Xing Fang, Junqi Li, Yongwei Gong, Xiaoning Li

Frontiers of Environmental Science & Engineering 2017, Volume 11, Issue 4, doi: 10.1007/s11783-017-0935-5

Abstract: primarily pervious) are converted into impervious areas which lead to increases of runoff volume and peak dischargeMost of the developed countries require a zero increase in peak discharge for any land development, andThe policy of zero increase in peak discharge can be considered as historical and early stage for theWe promote and advocate the zero-increase policy on peak discharge for comprehensive stormwater management

Keywords: Stormwater management     Detention basin     Zero increase     Peak discharge     Sustainable development     Design rainfall    

Plasma-assisted oxidation of benzoic acid

Anna Khlyustova, Nikolay Sirotkin

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 4,   Pages 513-521 doi: 10.1007/s11705-019-1825-0

Abstract: Oxidation of benzoic acid in aqueous solutions by the atmospheric pressure glow discharge and underwaterdiaphragm discharge was studied and monitored by fluorescence and spectrophotometric methods.Discharge type and solution pH affect the formation rates of mono- and dihydroxybenzoic acids.Dihydroxyl derivatives were formed only by glow discharge action.

Keywords: atmospheric pressure glow discharge     underwater diaphragm discharge     oxidation     benzoic acid     hydroxyl radical    

Improved film evaporator for mechanistic understanding of microwave-induced separation process

Xin Gao, Dandan Shu, Xingang Li, Hong Li

Frontiers of Chemical Science and Engineering 2019, Volume 13, Issue 4,   Pages 759-771 doi: 10.1007/s11705-019-1816-1

Abstract: Microwave-induced film evaporation separation process has been reported recently to separate the polarTo carry out these investigations, a novel microwave-induced falling film evaporation instrument wasThe systematic experiments on microwave-induced separation with different binary azeotropic mixturesFor the ethanol-ethyl acetate system, microwave irradiation shift the direction of evaporation separationMoreover, for DMC-H O system microwave-induced separation process broke through the limitations of the

Keywords: process intensification     microwave     falling film evaporation     separation     azeotrope    

Microwave enhanced stabilization of copper in artificially contaminated soil

Hua ZHANG, Zhiliang ZHU, Noboru YOSHIKAWA

Frontiers of Environmental Science & Engineering 2011, Volume 5, Issue 2,   Pages 205-211 doi: 10.1007/s11783-010-0290-2

Abstract: Microwave processing was used to stabilize copper ions in soil samples.Its effects on the stabilization efficiency were studied as a function of additive, microwave power,The stabilization efficiency of the microwave process was evaluated based on the results of the toxicityThe results showed that the optimal experimental condition contained a 700 W microwave power, 20 minin the contaminated soil was deduced to transform from unstable species to stable states after the microwave

Keywords: microwave     copper     stabilization    

CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 3,   Pages 395-402 doi: 10.1007/s11783-012-0417-8

Abstract: The development of a combined process of catalytic oxidation and microwave heating for treatment of toluenezeolite-supported copper oxide (CuO/zeolite) catalyst mixed with silicon carbide (SiC), an excellent microwave-absorbingcompound was efficiently degraded on the surface of the catalyst at high reaction temperature achieved by microwave-heatedA set of experimental parameters, such as microwave power, air flow and the loading size of CuO etc.,

Keywords: microwave     catalytic oxidation     CuO/zeolite catalyst     silicon carbide (SiC)     toluene    

Title Author Date Type Operation

Microwave-induced high-energy sites and targeted energy transition promising for efficient energy deployment

Journal Article

Decomposition of perfluorooctanoic acid by microwave-activated persulfate: Effects of temperature, pH

Yuchi LEE, Shanglien LO, Jeff KUO, Chinghong HSIEH

Journal Article

Study on the microwave-assisted extraction of polyphenols from tea

Liyun WANG, Peiyong QIN, Yan HU,

Journal Article

Characterisation of a microwave induced plasma torch for glass surface modification

Adam BENNETT, Nan YU, Fengzhou FANG, Marco CASTELLI, Guoda CHEN, Alessio BALLERI, Takuya URAYAMA

Journal Article

Local arc discharge mechanism and requirements of power supply in micro-arc oxidation of magnesium alloy

Ming CHEN, Yuezhou MA, Yuan HAO,

Journal Article

Degradation of metronidazole by dielectric barrier discharge in an aqueous solution

Zhipeng Yang, Anxing Lai, Hangyu Chen, Youxiang Yan, Ye Yang, Weiwei Zhang, Lei Wang

Journal Article

Soybean drying characteristics in microwave rotary dryer with forced convection

Ruifang WANG, Zhanyong LI, Yanhua LI, Jingsheng YE

Journal Article

Degradation of trace nitrobenzene in water by microwave-enhanced H

Honghu ZENG, Lanjing LU, Meina LIANG, Jie LIU, Yanghong LI

Journal Article

Experimental and theoretical study of microwave enhanced catalytic hydrodesulfurization of thiophene

Hui Shang, Pengfei Ye, Yude Yue, Tianye Wang, Wenhui Zhang, Sainab Omar, Jiawei Wang

Journal Article

NO conversion by positive streamer discharge—effects of gas compositions and reaction conditions

HE Wei, ZHU Tianle, LI Jing

Journal Article

Zero increase in peak discharge for sustainable development

Xing Fang, Junqi Li, Yongwei Gong, Xiaoning Li

Journal Article

Plasma-assisted oxidation of benzoic acid

Anna Khlyustova, Nikolay Sirotkin

Journal Article

Improved film evaporator for mechanistic understanding of microwave-induced separation process

Xin Gao, Dandan Shu, Xingang Li, Hong Li

Journal Article

Microwave enhanced stabilization of copper in artificially contaminated soil

Hua ZHANG, Zhiliang ZHU, Noboru YOSHIKAWA

Journal Article

CuO/zeolite catalyzed oxidation of gaseous toluene under microwave heating

Longli BO, Jianbo LIAO, Yucai ZHANG, Xiaohui WANG, Quan YANG

Journal Article